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BOSTON MARATHON 2024

River Spicer

Bib: 1757•M

OH

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 4%
Gender (Male)
#0 / 14578
Top 6%
Division (M18-39)
#0 / 4849
Top 16%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
5:45/mi
17:51
↑ 97↓ 3451.5%
10K· 6.21 mi
5:53/mi
36:09
↑ 79↓ 1380.4%
15K· 9.32 mi
6:00/mi
54:49
↑ 67↓ 78
20K· 12.43 mi
6:05/mi
1:13:42
↑ 106↓ 860.1%
Half· 13.11 mi
5:55/mi
1:17:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:12/mi
1:32:47
↑ 66↓ 880.2%
30K· 18.64 mi
6:38/mi
1:53:23
↑ 181↓ 1480.2%
20M
6:47/mi
2:02:36
↑ 64↓ 500.2%
21M
7:12/mi
2:09:48
↑ 106↓ 241.6%
35K· 21.75 mi
6:38/mi
2:14:46
↑ 17↓ 861.7%
23M
6:55/mi
2:23:26
↑ 23↓ 630.6%
24M
6:56/mi
2:30:22
↓ 821.3%
40K· 24.85 mi
7:17/mi
2:36:36
↓ 200.3%
25.2M
9:34/mi
2:39:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
2:47:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:44
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:29:40
Pace6:50 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1217:515:4517:51
5:45
-
10K
6.21 mi10:36:3036:095:4918:18
5:53
+0:08
15K
9.32 mi10:55:1054:495:5318:40
6:00
+0:07
20K
12.43 mi11:14:031:13:425:5618:53
6:05
+0:05
Half
13.11 mi11:18:051:17:445:564:02
5:55
-0:10
25K
15.53 mi11:33:081:32:475:5815:03
6:12
+0:17
30K
18.64 mi11:53:441:53:236:0520:36
6:38
+0:26
20M
20.00 mi12:02:572:02:366:089:13
6:47
+0:09
21M
21.00 mi12:10:092:09:486:117:12
7:12
+0:25
35K
21.75 mi12:15:072:14:466:124:58
6:38
-0:34
23M
23.00 mi12:23:472:23:266:148:40
6:55
+0:17
24M
24.00 mi12:30:432:30:226:166:56
6:56
+0:01
40K
24.85 mi12:36:572:36:366:186:14
7:17
+0:21
25.2M
25.20 mi12:40:152:39:546:213:18
9:34
+2:17
Finish
26.22 mi12:47:452:47:246:237:30
7:22
-2:12

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:45 /mi

Average Pace

6:23 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:44

46% of race

Time at Steady Pace

1:05:26

39% of race

Time at Slower Pace

24:14

14% of race

Average Pace: 6:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:1217:515:4517:51
5:45
#436
10K
6.21 mi10:36:3036:095:4918:18
5:53
#497
15K
9.32 mi10:55:1054:495:5318:40
6:00
#582
20K
12.43 mi11:14:031:13:425:5618:53
6:05
#613
Half
13.11 mi11:18:051:17:445:564:02
5:55
#607
25K
15.53 mi11:33:081:32:475:5815:03
6:12
#620
30K
18.64 mi11:53:441:53:236:0520:36
6:38
#721
20M
20.00 mi12:02:572:02:366:089:13
6:47
#745
21M
21.00 mi12:10:092:09:486:117:12
7:12
#767
35K
21.75 mi12:15:072:14:466:124:58
6:38
#784
23M
23.00 mi12:23:472:23:266:148:40
6:55
#799
24M
24.00 mi12:30:432:30:226:166:56
6:56
#819
40K
24.85 mi12:36:572:36:366:186:14
7:17
#847
25.2M
25.20 mi12:40:152:39:546:213:18
9:34
#901
Finish
26.22 mi12:47:452:47:246:237:30
7:22
#991
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi436414414797(Top 3%)772(Top 5%)772(Top 16%)
10K6.21 mi3.10 mi497-61474-60474-60617(Top 2%)593(Top 4%)593(Top 12%)
15K9.32 mi3.11 mi582-85559-85559-85797(Top 3%)772(Top 5%)772(Top 16%)
20K12.43 mi3.11 mi613-31589-30589-30762(Top 3%)731(Top 5%)731(Top 15%)
Half13.11 mi0.68 mi607+6584+5584+5591(Top 2%)567(Top 4%)567(Top 12%)
25K15.53 mi2.42 mi620-13596-12596-12870(Top 3%)837(Top 6%)837(Top 17%)
30K18.64 mi3.11 mi721-101691-95691-951418(Top 6%)1357(Top 9%)1357(Top 28%)
20M20.00 mi1.36 mi745-24715-24715-241527(Top 6%)1446(Top 10%)1446(Top 30%)
21M21.00 mi1.00 mi767-22735-20735-201544(Top 6%)1452(Top 10%)1452(Top 30%)
35K21.75 mi0.75 mi784-17752-17752-171649(Top 6%)1537(Top 11%)1537(Top 32%)
23M23.00 mi1.25 mi799-15767-15767-151657(Top 6%)1538(Top 11%)1538(Top 32%)
24M24.00 mi1.00 mi819-20786-19786-192081(Top 8%)1878(Top 13%)1878(Top 39%)
40K24.85 mi0.85 mi847-28808-22808-222760(Top 11%)2396(Top 16%)2396(Top 49%)
25.2M25.20 mi0.35 mi901-54860-52860-528926(Top 35%)5762(Top 40%)5762(Top 119%)
Finish26.22 mi1.02 mi991-90946-86946-864786(Top 19%)3668(Top 25%)3668(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

797

Males

772

M18-39

772

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

617

Males

593

M18-39

593

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

797

Males

772

M18-39

772

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

762

Males

731

M18-39

731

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

591

Males

567

M18-39

567

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

870

Males

837

M18-39

837

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1418

Males

1357

M18-39

1357

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1527

Males

1446

M18-39

1446

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1544

Males

1452

M18-39

1452

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1649

Males

1537

M18-39

1537

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1657

Males

1538

M18-39

1538

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2081

Males

1878

M18-39

1878

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2760

Males

2396

M18-39

2396

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8926

Males

5762

M18-39

5762

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4786

Males

3668

M18-39

3668

Passing Analysis

Category:
Athletes Passed
174
Passed By
729
Net Change
-555
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#436
5K → 10K667-61#436#497
10K → 15K489-85#497#582
15K → 20K1546-31#582#613
20K → Half148+6#613#607
Half → 25K2639-13#607#620
25K → 30K19120-101#620#721
30K → 20M2044-24#721#745
20M → 21M1032-22#745#767
21M → 35K926-17#767#784
35K → 23M1833-15#784#799
23M → 24M1131-20#799#819
24M → 40K1038-28#819#847
40K → 25.2M155-54#847#901
25.2M → Finish11101-90#901#991
TOTALS174729-555
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing